Fig. 1.

PM, 16-year-old female. AIS: MT right (88°) and left lumbar curve (46°), Lenke’s type 2BN (a, b). X-rays control 3.2 years after T3–L1 posterior fusion (simple concave rod maneuver) and thoracoplasty (c, d): MT curve was corrected to 30° (correction of 65.9 %). T5–T12 kyphosis remained unchanged at follow-up (18°) (c, d). The clinical aspect before surgery (e, f) and at last control (g, h). Apical RAsag had a negligible correction, from 21° before surgery (i) to 17° at last follow-up (j) (19 % of correction)